openai_api_key='sk-aaabbbccc'
openai_api_url='https://api.openai-proxy.org/v1'
openai_chat_model='gpt-4-turbo'
openai_embedding_model='text-embedding-3-large'
chromadb_path='./chroma_news_db'
chromadb_name='news_collection'
rss_url='http://www.ecns.cn/rss/rss.xml'
job_run_times=['08:00', '12:00', '16:00']